105450123 has 8 divisors (see below), whose sum is σ = 142580736. Its totient is φ = 69309800.

The previous prime is 105450091. The next prime is 105450139. The reversal of 105450123 is 321054501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105450123 - 2⁵ = 105450091 is a prime.

It is a super-2 number, since 2×105450123² = 22239456881430258, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 105450123.

It is not an unprimeable number, because it can be changed into a prime (105450143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247323 + ... + 247748.

It is an arithmetic number, because the mean of its divisors is an integer number (17822592).

Almost surely, 2^105450123 is an apocalyptic number.

105450123 is a deficient number, since it is larger than the sum of its proper divisors (37130613).

105450123 is an equidigital number, since it uses as much as digits as its factorization.

105450123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495145.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105450123 is about 10268.8910306810. The cubic root of 105450123 is about 472.4425774959.

The spelling of 105450123 in words is "one hundred five million, four hundred fifty thousand, one hundred twenty-three".